Having issue importing data into modules in odoo 10 running on ubuntu server. I can click the option to upload a file but nothing happens, cant validate or anything. When I inspect element through google chrome this is what I get.

web.assets_common.js:3023 Server application error {"message":"Odoo Server Error","code":200,"data":{"debug":"Traceback (most recent call last):\n File \"/opt/odoo/odoo/http.py\", line 640, in _handle_exception\n return super(JsonRequest, self)._handle_exception(exception)\n File \"/opt/odoo/odoo/http.py\", line 677, in dispatch\n result = self._call_function(**self.params)\n File \"/opt/odoo/odoo/http.py\", line 333, in _call_function\n return checked_call(self.db, *args, **kwargs)\n File \"/opt/odoo/odoo/service/model.py\", line 101, in wrapper\n return f(dbname, *args, **kwargs)\n File \"/opt/odoo/odoo/http.py\", line 326, in checked_call\n result = self.endpoint(*a, **kw)\n File \"/opt/odoo/odoo/http.py\", line 935, in __call__\n return self.method(*args, **kw)\n File \"/opt/odoo/odoo/http.py\", line 506, in response_wrap\n response = f(*args, **kw)\n File \"/opt/odoo/addons/bus/controllers/main.py\", line 35, in poll\n raise Exception(\"bus.Bus unavailable\")\nException: bus.Bus unavailable\n","exception_type":"internal_error","message":"bus.Bus unavailable","name":"exceptions.Exception","arguments":["bus.Bus unavailable"]}}

Is the above error relevant to my issue if so what should I do to fix it.